Pruszkowski, Jan
Current rating: 1480
Record: 9-10-1
| Grand Prix Munich 2003 (MRD limited) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 115 | Thaler, Sebastian (1499) | Lost 0-2 | -181498 |
| 3sealed | 334 | Lamr, Martin (1508) | Lost 0-2 | -181480 |
| top | average opponent: 1504record: 0-2 | new rating: 1480 | ||
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 33 | Varak, Petr (1407) | Won 2-0 | +161512 |
| 2sealed | 9 | Nenadl, Ondrej (1517) | Won 2-0 | +181530 |
| 3sealed | 73 | Witt, Alexander (1883) | Lost 1-2 | -121518 |
| 4sealed | 121 | Goldberg, Emilie (1396) | Lost 0-2 | -201498 |
| 5sealed | 280 | Havel, Martin (1468) | Won 2-0 | +171515 |
| 6sealed | 156 | Dedek, Michal (1442) | Won 2-0 | +171532 |
| 7sealed | 97 | Neumaier, Thomas (1643) | Lost 1-2 | -161516 |
| top | average opponent: 1537record: 4-3 | new rating: 1516 | ||
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 56 | Foukarakis, Michalis (1500) | Lost 0-2 | -191533 |
| 2sealed | 155 | Hoglund, Kim (1515) | Lost 0-2 | -181515 |
| 3sealed | 207 | Nieuwenburg, Rene (1463) | Lost 0-2 | -191496 |
| top | average opponent: 1493record: 0-3 | new rating: 1496 | ||
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 101 | Ribbeck, Benjamin (1500) | Draw 1-1 | 01500 |
| 2sealed | 218 | Ottovordemgentschenfelde, Rolf (1439) | Won 2-0 | +171517 |
| 3sealed | 141 | Heim, Andreas (1539) | Lost 0-2 | -181499 |
| 4sealed | 273 | Monteleone, Domenico (1480) | Won 2-1 | +181517 |
| 5sealed | 188 | Beck, Martin (1465) | Won 1-0 | +171534 |
| 6sealed | 116 | Kern, Nils (1518) | Won 2-1 | +181552 |
| 7sealed | 57 | Lefranc, Florent (1603) | Lost 0-2 | -171535 |
| 8sealed | 87 | Wieke, Martin (1489) | Won 2-1 | +171552 |
| top | average opponent: 1504record: 5-2-1 | new rating: 1552 | ||